The Drysdales have temporary custody of a baby hippo and when Granny spots it she thinks it's a giant hog. She makes plans for turning into future meals while Ellie sees it as another pet.

Country music legends Lester Flatt and Earl Scruggs visit the Clampetts while Lester's "citified" wife, Gladys, heads to Mammoth Studios for a screen test directed by Jethro (at Lester's request).